diff --git a/cmake_targets/build_oai b/cmake_targets/build_oai
index d1306b804b..42bd6c82d7 100755
--- a/cmake_targets/build_oai
+++ b/cmake_targets/build_oai
@@ -33,6 +33,7 @@
 # brief OAI automated build tool that can be used to install, compile, run OAI.
 # author  Navid Nikaein, Lionel GAUTHIER, Laurent Thomas
 
+set -e
 
 ################################
 # include helper functions